Female monkeys with female friends live longer

Female white-faced capuchin monkeys living in the tropical dry forests of northwestern Costa Rica may have figured out the secret to a longer life—having fellow females as friends.

Evidence found of stingrays making noise

A team of researchers affiliated with several institutions in Australia working with one colleague from Sweden and another from Spain, has obtained recorded evidence of rays generating sound. In their paper published in the ...

Ancient Siberian dogs relied on humans for seafood diets

As early as 7,400 years ago, Siberian dogs had evolved to be far smaller than wolves, making them more dependent on humans for food including sea mammals and fish trapped below the ice, a new study showed Friday.

Competition limits the ranges of mountain birds

A new study helps reveal why tropical mountain birds occupy such narrow elevation ranges, a mystery that has puzzled scientists for centuries. While many assumed temperature was responsible for these limited distributions, ...

Mangrove forest found living in freshwater

An international team of researchers has found a mangrove forest living in a freshwater part of the Amazonian delta. In their paper published in the journal Current Biology, the group describes their study of the Amazonian ...

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